A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 4140-01-386-8429
NSN 5999-00-540-7822
NSN 6685-00-390-3665
NSN 6650-00-349-8732
NSN 4140-00-659-8283
NSN 5925-01-510-6291
NSN 6145-01-111-9553
NSN 5895-00-151-3934
NSN 6645-01-487-4341
NSN 5985-01-569-8315
NSN 5996-01-074-4328
NSN 5965-01-362-9609